Benjamin alfred dobson



(No Model.) v

- B..A. DOBSON.

ADJUSTABLE SHAFT BEARING. No. 395,428. Patented Jari. 1, 1889.

@f2/, Y -mM-v@ UNITED STATES PATENT OFFICE.

BENJAMIN ALFRED DOBSON, OF BOLTON, COUNTY OF LANCASTER, ENGLAND.

ADJUSTABLE SHAFT=BARING.

SPECIFICATION forming part of Letters Patent No. 895,428, dated January 1v, 18h89. Application tiled July 2G, 1888. Serial No. 281,054. (No model.) Patented in England March l0, 1888, No. 3,699.

T0 @ZZ when?, it may concern.'

Be it known that I, BENJAMIN ALFRED DOBsON, a subject of the Queen. of Great Britain, and a .residentof Bolton, in the county of Lancaster, England, have invented certain new and use't'ul Improvements in Adjustable Bearings for Rotatn Shafts, (for which I have received Letters .Patent in England, dated March 11.0, 1888, No. 34590,) of which the l'ol'- lowingI is a speciiication.

The invention consists .in an improved means for adjusting the bearings of rotating shafts. As means or devices for this purpose I employ eccentric sleeves, which are adjustable around the shafts.

My invention is particularly intended for application to carding-engines for the purpose of easily and quickly adjusting theposi` tion of the main cylinder and its shaft.

The invention is however ada itcd tor use in comiection with various other shafts.

In the accompanying drawings, Figure l an end elevation, and Fig. 2 partly in section ol' the front side of a pedc" tal tted with my improved adjustable shaf bearing. tion ot' the shaft and the adjust-able bearing. Fig. i is a side sectional elevation of the pedestal, the bearing, and the shaft.

Similar letters refer to similar parts throughout the several views.

In the views, a designates the pedestal bored out to receive an eccentric sleeve, b, within which is iittcd an eccentric, c, and in the latter is fitted the flanged bushing (I, which is preferably made of phosphor-bronze and encircles the journal of shat't e. In this case the eccentrics b c are formed with lateral lugs or ears t and o ,respectively, and to these ears are pivoted screw-threaded rods forf, which pass through eyebolts g, secured to the pedestal a. Nuts 72 are applied to said rodsf and f', by turning which the relative positions oi' the eccentrics l) and c maybe altered-that is to say, they may be adjusted around the shaft, so as to raise or lower the bushing d or Fig. is a transvcnse vertical secshift it laterally, and thus adj ust the shaft e as requi red. The bnshi ng d is kept from turning with the shaft c as the latter revolves by means of a stud,f, which screws into the pedestal. fl-Set'orc the adjusting mechanism can be operated the padlock y' must be released, l and the casing 7o, which inclosesthe nuts, eyes, and ends of the stud fj'turned back or l removed. l A great advaninge obtained by my improved bearing is that all the wear takes place in the l bushing, and whatever the adjustment of the bearing the shaft will lie in the bed formed by it in the bushing d.

I have shown and described lugs or ears on the eccentrics, combi ned with nuts and screwthreaded rods, the means for adjusting the eccentrics; but it is obvious that other means may be employed for this purpose.

that I claim as my invention, and desire to secure by Letters Patent, is-

i l. 'lhe improved shatt-bef'iring consisting, an elevation essentially, of the following parts, combined substantially as shown and described: a nonrotating metal bushing formin a journal for the shaft and Vfitted within an eccentric sleeve, Y which is iittcd within a second eccentric sleeve supported by the pedestal, and means for op eratii'ig the eccentrics to adjust the position of the shaftwith the said bushing as required.

2. rFlic combination, with the pedestal a, of the bushing d, forming a journal for the shaft e', the pair of cccentrics Z? c, the screwthreaded rods ff', nuts 71, and eyes g, .attached to the pedestal, all substantially as and lfor the purposes herein shown and described.

In testimony that I claim the foregoing m y invention I have signed my name, in presence ot two witnesses, this 13th day of July, ,1888.

BENJAMIN ALFRED DOBSON. \Vitnesses:

ROBERT WINDER,

Notary Pablic, Bolton. WALTER HreeiNsoN,

Ole/rk, 106 Dcwcnport S25., Bolton. 

